Web Generator 1.0.0
ISKO
Information about air quality in the Czech Republic
Current overview of data from automated stations (non-verified data)

Updated: 2026-06-15 07:27 CEST


Basic data Locality photo
Locality: Ostrava-Privoz
Code: TOPRA
Type of measuring programme: Automated measuring program
Locality owner: Czech Hydrometeorological Institute
Classification
Abbreviation: I/U/IR
Localization
Coordinates: 49° 51´ 22.530" North latitude 18° 16´ 11.068" East longitude
Altitude: 207 m

Actual measured level of air pollution

Actual unverified data

Date and time Air quality SO₂ NO₂ PM₁₀ O₃ PM₁₀ - from model O₃ - from model PM₂.₅
3h average 3h average 3h average 3h average 3h average 3h average 3h average
µg∙m⁻³ µg∙m⁻³ µg∙m⁻³ µg∙m⁻³ µg∙m⁻³ µg∙m⁻³ µg∙m⁻³
2026-06-14 05:00 - 08:00 CEST 1B 5.0 13.2 10.8 40.8 1.0
2026-06-14 06:00 - 09:00 CEST 1B 5.0 11.7 11.4 43.7 1.0
2026-06-14 07:00 - 10:00 CEST 1B 4.8 9.6 11.4 47.5 1.0
2026-06-14 08:00 - 11:00 CEST 1B 4.2 5.4 10.2 55.6 1.0
2026-06-14 09:00 - 12:00 CEST 1B 4.4 4.0 9.1 62.8 3.8
2026-06-14 10:00 - 13:00 CEST 2A 4.7 4.3 7.8 68.4 7.2
2026-06-14 11:00 - 14:00 CEST 2A 5.0 4.6 6.0 69.6 9.0
2026-06-14 12:00 - 15:00 CEST 2A 4.8 3.6 4.9 71.9 7.0
2026-06-14 13:00 - 16:00 CEST 2A 4.5 2.8 7.0 73.4 4.2
2026-06-14 14:00 - 17:00 CEST 2A 4.4 2.2 9.9 75.0 4.7
2026-06-14 15:00 - 18:00 CEST 2A 4.5 2.4 10.9 75.3 6.2
2026-06-14 16:00 - 19:00 CEST 2A 4.7 2.7 8.7 76.3 6.7
2026-06-14 17:00 - 20:00 CEST 2A 4.6 2.9 5.6 76.0 6.0
2026-06-14 18:00 - 21:00 CEST 2A 4.4 4.3 4.6 74.5 5.0
2026-06-14 19:00 - 22:00 CEST 1B 4.5 5.5 4.3 68.9 4.5
2026-06-14 20:00 - 23:00 CEST 1B 4.4 7.9 4.0 60.5 3.5
2026-06-14 21:00 - 00:00 CEST 1B 4.4 10.5 3.4 50.7 2.6
2026-06-14 22:00 - 01:00 CEST 1B 4.4 14.1 5.4 46.0 1.9
2026-06-14 23:00 - 02:00 CEST 1B 4.6 12.4 8.5 45.5 1.4
2026-06-15 00:00 - 03:00 CEST 1B 4.5 11.3 10.1 49.6 1.0
2026-06-15 01:00 - 04:00 CEST 1B 4.4 8.3 8.5 50.8 1.0
2026-06-15 02:00 - 05:00 CEST 1B 4.4 8.4 6.0 52.3 1.0
2026-06-15 03:00 - 06:00 CEST 1B 4.5 9.9 5.0 52.6 1.0
2026-06-15 04:00 - 07:00 CEST 1B 4.7 13.0 5.3 53.2 2.2

Legend

Level Index range Air quality
     1A      ≥ 0.00 and < 0.34 very good to good
     1B      ≥ 0.34 and < 0.67
     2A      ≥ 0.67 and < 1.00 acceptable
     2B      ≥ 1.00 and < 1.50
     3A      ≥ 1.50 and < 2.00 aggravated to bad
     3B      ≥ 2.00
Component is not measured, index not determined
Incomplete data


Map of station position

Map is on page with detailed information about locality